## Proceedings of the International School of Physics "Enrico Fermi.", Volume 72N. Zanichelli, 1979 - Nuclear physics |

### From inside the book

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Page 6

The discovery of the law of

decreasing with the passing of time was found in Vienna in 1898 by G. C.

Schmidt, who observed that thorium compounds continuously emit

particles of ...

The discovery of the law of

**radioactive**decay. A first indication of an activitydecreasing with the passing of time was found in Vienna in 1898 by G. C.

Schmidt, who observed that thorium compounds continuously emit

**radioactive**particles of ...

Page 9

Not only it took a few years to establish the correct interpretation of the active

deposit ; even the nature of

bodies could be a secondary radiation emitted by heavy elements under the

action ...

Not only it took a few years to establish the correct interpretation of the active

deposit ; even the nature of

**radioactivity**... The radiation emitted from**radioactive**bodies could be a secondary radiation emitted by heavy elements under the

action ...

Page 21

The nucleus of a

l-lO-1t cm, surrounded at a distance by a number of neutral satellites describing

quantum orbits in the field of the central core. At least some of these satellites ...

The nucleus of a

**radioactive**atom consists of a very small core of radius less thanl-lO-1t cm, surrounded at a distance by a number of neutral satellites describing

quantum orbits in the field of the central core. At least some of these satellites ...

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### Contents

E Amaldi Radioactivity a pragmatic pillar of probabilistic | 1 |

Statistical fluctuations | 10 |

Final remarks | 21 |

Copyright | |

24 other sections not shown

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### Common terms and phrases

3-geometry algebra applied assertion atoms axioms Boolean Borel field Borel sets calculus concept conditional probability conditionalization consider corresponding countable course defined definition denote derived deterministic dialog dialog-game disjoint dynamics edited Einstein elements equation equivalent exists experiment finite formal function geometry given Gleason's theorem Hence Hilbert space implies induction initial interaction interpretation irreversible Journ linear magnitude Math mathematical means Neumann non-Boolean notion observable orthogonal orthomodular lattice particle photon Phys physical quantity physical system physical theories physicists positive precision probabilistic probability measure probability space probability theory problem procedure quantum logic quantum mechanics quantum theory quantum-logical question radioactive random variable real numbers relation relative frequency relf represented respect result rule sequence space-time special relativity spin statistical operator subset subspace superspace theorem tion transformation truth universal constants vector velocity von Neumann algebra zero